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Noah vs. NoahMP Surface Verification

Noah vs. NoahMP Surface Verification. Six-month 30km WRF simulations - 2010 Spin-up soil for one year using offline HRLDAS IC/BC from NARR Verification against ~2600 surface stations. Green: Noah-MP improves Red: Noah-MP degrades. Domain 2-meter Temperature March-April-May.

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Noah vs. NoahMP Surface Verification

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  1. Noah vs. NoahMPSurface Verification • Six-month 30km WRF simulations - 2010 • Spin-up soil for one year using offline HRLDAS • IC/BC from NARR • Verification against ~2600 surface stations Green: Noah-MP improves Red: Noah-MP degrades

  2. Domain 2-meter TemperatureMarch-April-May BTR: soil moisture availability function N-Y: Niu-Yang groundwater interaction M-M: Miguez-Macho groundwater interaction Noah cold bias MP improves bias Groundwater effect small Access to more moisture improves bias Table fix improves bias

  3. Domain 2-meter TemperatureJune-July-August BTR: soil moisture availability function N-Y: Niu-Yang groundwater interaction M-M: Miguez-Macho groundwater interaction Noah cold bias MP too warm Small groundwater bias reduction Access to more moisture improves bias Table fix improves bias

  4. Domain 2-meter DewpointMarch-April-May BTR: soil moisture availability function N-Y: Niu-Yang groundwater interaction M-M: Miguez-Macho groundwater interaction Noah dry bias MP improves bias Groundwater effect mixed Access to more moisture improves bias Table fix creates moist bias

  5. Domain 2-meter DewpointJune-July-August BTR: soil moisture availability function N-Y: Niu-Yang groundwater interaction M-M: Miguez-Macho groundwater interaction Noah dry bias MP mixed effect Groundwater effect mixed Access to more moisture improves bias Table fix improves bias

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